Jonathan R. Barkin, PsyD, is a licensed clinical psychologist, partner at the San Francisco Bay Area Center for Cognitive Therapy, and assistant clinical professor at the University of California, Berkeley. Barkin has extensive experience in the intensive treatment of severe anxiety disorders. He specializes in the treatment of anxiety disorders and obsessive-compulsive spectrum disorders in children, teens, and adults. Barkin presents lectures and workshops to professionals in the Bay Area.